advion 4 Tubes and 4 Plungers Cockroach German Roach Pest Control Insecticide Bait Gel, Kill German, American, Australian, Smoky, Brown Indoxacarb 0. 6% Dupont advion cockroach gel bait can be used in single and multi-family residential buildings, schools, commercial and industrial facilities (including warehouses, apartments, supermarkets, restaurants, motels, hotels, hospitals, food handling/storage establishments) , and transportation equipment such as aircraft, trains, ships, boats, buses Treatment rates for all uses: For heavy infestations of cockroaches, apply 3 to 5 spots of advion cockroach gel bait per 10 linear feet for light to moderate infestations of cockroaches, apply 1-3 spots of advion cockroach gel bait per 10 linear feet each spot of advion gel bait should equal about . 5 grams (approx. 1/4" diameter)